It is not necessary in the test to use test meal additional non labeled urea and to correct the result on body weight.

The women with purging disorder said they felt much more full after the test meal, and they reported more stomach discomfort than the bulimic women and the women with no eating disorders.

In an attempt to study the motility and evacuation of stomach, the gastric movement and evacuation were measured by using B-ultrasonography in 30 children with malnutrition after liquid test meal.